ispell-region

ispell-region is an interactive autoloaded compiled Lisp function in `ispell.el'.

It is bound to <menu-bar> <tools> <spell> <ispell-region>.

(ispell-region REG-START REG-END &optional RECHECKP SHIFT)

Interactively check a region for spelling errors.
Return nil if spell session was terminated, otherwise returns shift offset
amount for last line processed.